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Finding the Fourth Proportional to 180,824.57, 249,537.48 and 100,250.03

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Solution

The fourth proportional to 180,824.57, 249,537.48 and 100,250.03 is: 138,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,824.57 : 249,537.48 = 100,250.03 : x
  2. Step 2: Convert to fraction form
    180,824.57/249,537.48 = 100,250.03/x
  3. Step 3: Cross multiply
    180,824.57x = 249,537.48 × 100,250.03
  4. Step 4: Simplify right side
    180,824.57x = 25,016,139,856.12
  5. Step 5: Solve for x
    x = 25,016,139,856.12/180,824.57
  6. Step 6: Final answer
    x = 138,344.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.